Year	% of total merchandise exports
1960	15.556095979247731
1961	15.840530996043059
1962	15.215234135047014
1963	16.08216619981326
1964	12.423596637081099
1965	12.622112958530115
1966	11.423297785069728
1967	10.687412293000142
1968	10.894022605510093
1969	11.955022217783027
1970	12.12650678766083
1971	11.255109088707458
1972	9.566802617724852
1973	8.291094541466595
1974	8.368813355971168
1975	8.671742816912378
1976	8.26846394948522
1977	8.466954653777163
1978	6.69760381757263
1979	6.065209447340278
1980	5.66945284432577
1981	5.133187502525808
1982	7.551654269880383
1983	8.96152154290132
1984	10.613240539415361
1985	10.719495465232415
1986	11.293211961149915
1987	9.719033209541106
1988	11.115031803072345
1989	10.656903779022016
1990	9.250747319767985
1991	6.155773404949398
1992	5.000038451678972
1993	4.618786817951088
1994	6.367329460888162
1995	14.76306223729383
1996	8.221808329707255
1997	7.242350535019022
1998	7.5142534063838555
1999	6.194084222011882
2000	5.845418356744574
2001	5.418066702597542
2002	5.175481239353373
2003	5.4363536980242735
2004	5.768267247680535
2005	6.805423737651925
2006	6.027913073284565
2007	6.341125079207652
2008	5.918306363379235
2009	5.738678529553145
2010	5.043215080234519
2011	5.122175645001223
2012	5.459419238792618
2013	5.84086630952407
2014	5.638830027856823
2015	4.717624129180388
2016	4.996824481868798
2017	5.590188018387225
2018	8.546133023092898
2019	8.572601512882354
2020	10.401747965287948